The New Encyclopaedia Britannica
Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries - 934 pages
 Propaedia: outline of knowledge and guide to the Britannica.--- Micropaedia: ready reference and index.--- Macropaedia: knowledge in depth.
Results 1-3 of 67
By the 1970s, reserves and wilderness areas held some native vegetation as
national heritage, although it remains doubtful if these are adequate or
sufficiently protected. Plant life. Australian federal and state governments
maintain institutions ...
Bacteria occur on plant surfaces and will grow if conditions are favourable. They
also invade and infect plant tissues, from which they are dispersed periodically
into the atmosphere. Soil, particularly rich garden soil, contains countless
Many plant and animal species interact facultatively in ways that are general and
indirect but beneficial to both species. These relations, called protocooperation,
can be considered the first evolutionary step toward mutualism. The interactions ...
What people are saying - Write a review
LibraryThing ReviewUser Review - keylawk - LibraryThing
This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review